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dave_j
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breech seat vs fixed ammo
Oct 10th, 2021 at 4:53pm
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i have a lot of Herco, Red Dot, AL5, etc. I breech seat for 32-40, 25 Hornet and 32 Miller Short using 4224, 300MP, Enforcer and H110.
I want to use the older powders to breech seat in 32-40. i have old manuals with load data for fixed ammo. Can i use the older powder data in breech seated loads?
thanks for the info     dave
  

ah heck  AA#9,4227,300MP, as long as it goes bang
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wildthing
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Re: breech seat vs fixed ammo
Reply #1 - Oct 10th, 2021 at 6:17pm
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why are results expected to be terrible?
  
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jfeldman
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Re: breech seat vs fixed ammo
Reply #2 - Oct 10th, 2021 at 8:18pm
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Dave, when I shot fixed 32-40 with 4227, I dropped down one grain from my breech seated load.  14.5 gr BS and 13.5 gr fixed.  Don't know about those other powders though ...............

Regards,
Joe
  
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Green_Frog
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Re: breech seat vs fixed ammo
Reply #3 - Oct 10th, 2021 at 8:33pm
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You are changing the volume of the “combustion chamber” and will need to change your powder charge (or maybe even your powder) to account for it.  I did have pretty good luck using the same charge of IMR 4759 for both fixed and breech seated, but that was a near mystical connection and of course that powder is long discontinued.  Huh

Froggie
  
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dave_j
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Re: breech seat vs fixed ammo
Reply #4 - Oct 10th, 2021 at 10:45pm
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thanks for the info !
i am going to try this and see, i may load some fixed with these powders and see what they will do     dave
  

ah heck  AA#9,4227,300MP, as long as it goes bang
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Jeff_Schultz
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Re: breech seat vs fixed ammo
Reply #5 - Oct 11th, 2021 at 4:19pm
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  If these were good powders for 32-40, more people would be using them.
  

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westerner
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Re: breech seat vs fixed ammo
Reply #6 - Oct 12th, 2021 at 4:05pm
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"4224, 300MP, Enforcer and H110".

Never heard of 4224. I have used H110 in the 32-40 with excellent results. 300MP is being used isn't it? Did I read somewhere that Enforcer is a dupicate of H108? 

Jeff, what is the best powder for the 32-40? I use 4227. What are shooters using now?
« Last Edit: Oct 12th, 2021 at 4:28pm by westerner »  

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bpjack
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Re: breech seat vs fixed ammo
Reply #7 - Oct 12th, 2021 at 4:17pm
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I have had the best results with Accurate 4100 and standard primers, CCI seems best, but Winchester primers are OK.   Either a tie or a close second is 300MP with Remington primers.  300MP seems to like hotter primers.

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Re: breech seat vs fixed ammo
Reply #8 - Oct 12th, 2021 at 4:47pm
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westerner wrote on Oct 12th, 2021 at 4:05pm:


Jeff, what is the best powder for the 32-40? I use 4227. What are shooters using now?

  In my opinion, 4227 is very good. Then people started using AA#9 with good results; then, someone discovered that the surplus powder H108 was the same thing and way cheaper.  When that ran out someone (Jim Borton or Barry Darr?) found that surplus WC820 was the same thing and also cheap at that time.  Alas, neither have been available for some time.  Then came 4100/Enforcer, very similar but I had to use 1/2 gr more to get the same velocity.  To sum it up: #9, H108, WC820, 4100/Enforcer, 4227 all work good in a 32-40.  4227 doesn't work as good as the others in the shorter cases (32MS/ML, 32RKS, 32IMP, etc.).  That's my opinion and I'm sticking to it! Smiley 
  

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Re: breech seat vs fixed ammo
Reply #9 - Oct 12th, 2021 at 5:12pm
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Myself in the 32-40 I have used Alliant 300MP and I am now going on using 64Lbs of it. 32lbs of it was sifted and the rest of it has not. I have also used it in the 25-21, 28-35 and now the 25-35 as well with real good success. And all of it being breech seated only.
« Last Edit: Oct 12th, 2021 at 5:26pm by JLouis »  

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Re: breech seat vs fixed ammo
Reply #10 - Oct 12th, 2021 at 5:36pm
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  I bought 2 -8# jugs of 300MP, shot 1# of it, sold the rest at a loss, and was glad to get rid of it.
  

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Re: breech seat vs fixed ammo
Reply #11 - Oct 12th, 2021 at 7:52pm
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John what mesh did you use to sift it and where did you get the screen?
  
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Re: breech seat vs fixed ammo
Reply #12 - Oct 13th, 2021 at 10:56am
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bpjack wrote on Oct 12th, 2021 at 4:17pm:
I have had the best results with Accurate 4100 and standard primers, CCI seems best, but Winchester primers are OK.   Either a tie or a close second is 300MP with Remington primers.  300MP seems to like hotter primers.

Jack


Jack,

What bullet and charge are you using? I have plenty 4100 and Enforcer on hand but never tried it in my .32-40.

Thanks,
Bob
  

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Re: breech seat vs fixed ammo
Reply #13 - Oct 13th, 2021 at 11:35am
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Bob if memory serves me right the certified screens were a #50, #45, #40 and the bottom Pan. They are certified screens and they actually belonged to Barry Darr when he was still here living with us. Jerry Hartwig also has a set and hopefully he can verify those sizes if I am possibly wrong on those sizes I provided and who he also purchased his set from.
As someone has mentioned the 300MP has preferred the Winchester Large Rifle Magnum primers over the rest. CCI 200 BR's and Fed 210's were the second best in my 32-40 at 14.2 to 14.4 grains depending on outside temp. and a 205 grain bullet and an average velocity of 1475 fps.
  

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Re: breech seat vs fixed ammo
Reply #14 - Oct 13th, 2021 at 12:20pm
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John is correct on the screen numbers, 40, 45, & 50. Mine are made by Humboldt Mfg., but I don't remember where I bought them. Maybe directly from Humboldt.

Mine are 8" x 2", brass frame with stainless steel mesh.

Jerry
« Last Edit: Oct 13th, 2021 at 12:30pm by JerryH »  

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